Home / 16,823.20-25,234.80-10,918.30

Finding the Fourth Proportional to 16,823.20, 25,234.80 and 10,918.30

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Solution

The fourth proportional to 16,823.20, 25,234.80 and 10,918.30 is: 16,377.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,823.20 : 25,234.80 = 10,918.30 : x
  2. Step 2: Convert to fraction form
    16,823.20/25,234.80 = 10,918.30/x
  3. Step 3: Cross multiply
    16,823.20x = 25,234.80 × 10,918.30
  4. Step 4: Simplify right side
    16,823.20x = 275,521,116.84
  5. Step 5: Solve for x
    x = 275,521,116.84/16,823.20
  6. Step 6: Final answer
    x = 16,377.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.